265 = 1 × 2 + 34 × 5 + 6 + 78 + 9
265 = 98 + 76 + 5 + 43 × 2 × 1
265 = 0^6 + 1^8 + 2^9 − 3^7 + 4^5 + 5^4 + 6^3 + 7^0 + 8^2 + 9^1
265 = 3^2 + 16^2 = 11^2 + 12^2
265^2 = 23^2 + 264^2 = 96^2 + 247^2
265 divides 54^2 - 1.
Sum of 10 nonzero 8th powers.
a(n) is the sum of the prime factors (with repetition) of the sum of the preceding terms; a(1)=a(2)=1. (n=12)
Padovan sequence , n = 26 : a(n) = a(n-2) + a(n-3) with a(0) = 1, a(1) = a(2) = 0
Semiprime (Product of 2 Primes)
Factors: 1, 5, 53, 265
Representations, Binary to Hexadecimal:
100001001_2
100211_3
10021_4
2030_5
1121_6
526_7
411_8
324_9
221_11
1a1_12
175_13
14d_14
12a_15
109_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
